These shape files are fairly easy to use. Just open the ...-XY.jmp files and edit the table variables so that they reflect the size of the wafer and the edge exclusion. The calculated X and Y coordinates will adjust for the given wafer size.
Then follow the instructions here: Using Custom Map Shape Files to put them where Graph Builder will find them. Once they're installed, they can used to annotate point images:
Or as clipping shapes for contour maps (instructions here)